<template>
  <div>
    <!-- 面包屑导航 -->
    <!-- 搜索筛选 -->
    <el-form :inline="true" class="user-search">
      <el-form-item>
        <el-button
          size="small"
          type="primary"
          icon="el-icon-search"
          @click="selectSlideshow()"
          >查询</el-button
        >
      </el-form-item>
      <el-form-item label="">
        <el-button
          size="small"
          type="primary"
          icon="el-icon-plus"
          @click="handleEdit()"
          >添加</el-button
        >
      </el-form-item>
    </el-form>
    <!--列表-->
    <el-table
      size="small"
      :data="listData"
      highlight-current-row
      v-loading="loading"
      border
      element-loading-text="拼命加载中"
      style="width: 100%;"
    >
      <el-table-column align="center" type="index" width="60" label="序号">
      </el-table-column>

      <el-table-column prop="title" label="文章标题" width="240">
      </el-table-column>

      <el-table-column align="center" label="操作" min-width="300">
        <template slot-scope="scope">
          <el-button size="mini" @click="handleEdit(scope.$index, scope.row)"
            >编辑</el-button
          >

          <el-button
            size="mini"
            type="danger"
            @click="deleteSlideshow(scope.$index, scope.row)"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页组件 -->

    <!-- 编辑界面 -->
    <el-dialog
      :title="title"
      :visible.sync="editFormVisible"
      width="50%"
      @click="closeDialog"
    >
      <el-form label-width="120px">
        <el-form-item label="标题">
          <el-input
            size="small"
            v-model="formData.title"
            placeholder="请输入标题"
          ></el-input>
        </el-form-item>

        <el-form-item label="富文本内容" style="height: 400px;">
          <quill-editor
            v-model="formData.text"
            :options="editorOption"
            style="height: 300px;"
            ref="QuillEditor"
          >
          </quill-editor>
        </el-form-item>
      </el-form>

      <div slot="footer" class="dialog-footer">
        <el-button size="small" @click="closeDialog">取消</el-button>
        <el-button
          size="small"
          type="primary"
          :loading="loading"
          class="title"
          @click="addSlideshow()"
          v-if="title == '添加'"
          >添加</el-button
        >
        <el-button
          size="small"
          type="primary"
          :loading="loading"
          class="title"
          @click="upSlideshow()"
          v-if="title == '修改'"
          >修改</el-button
        >
      </div>
    </el-dialog>

    <el-dialog title="选择图片" :visible.sync="uploadVisible" width="50%">
      <div>
        <div class="upload-demo">
          <el-upload
            action=""
            :http-request="mainImgUpload"
            :show-file-list="false"
            list-type="picture-card"
          >
            <i class="el-icon-plus"></i>
          </el-upload>
          <!-- <img v-if="formData.mainImg" :src="formData.mainImg" class="avatar"> -->
        </div>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  selectInformationByIndexIdAndIndexDetailIdAndTypes,
  addInformations,
  updateInformations,
  deleteInformationByIds
} from "../../api/userMG";
import Pagination from "../../components/Pagination";
import client from "@/utils/ossClient.js";
import VueQuillEditor from "vue-quill-editor";
import "quill/dist/quill.core.css";
import "quill/dist/quill.snow.css";
// 工具栏配置
const toolbarOptions = [
  ["bold", "italic", "underline", "strike"], // toggled buttons
  ["blockquote", "code-block"],

  [{ header: 1 }, { header: 2 }], // custom button values
  [{ list: "ordered" }, { list: "bullet" }],
  [{ script: "sub" }, { script: "super" }], // superscript/subscript
  [{ indent: "-1" }, { indent: "+1" }], // outdent/indent
  [{ direction: "rtl" }], // text direction

  [{ size: ["small", false, "large", "huge"] }], // custom dropdown
  [{ header: [1, 2, 3, 4, 5, 6, false] }],

  [{ color: [] }, { background: [] }], // dropdown with defaults from theme
  [{ font: [] }],
  [{ align: [] }],
  ["link", "image", "video"], // 对于图片上传这是重点
  ["clean"] // remove formatting button
];
export default {
  data() {
    return {
      uploadVisible: false,
      editorOption: {
        modules: {
          toolbar: {
            container: toolbarOptions, // 工具栏
            handlers: {
              image: value => {
                if (value) {
                  // 在这里编写图片按钮点击操作
                  this.uploadVisible = true;
                  this.cursorIndex = this.$refs.QuillEditor.quill.getSelection().index;
                } else {
                  this.quill.format("image", false);
                }
              }
            }
          }
        }
      },
      loading: false, //是显示加载
      editFormVisible: false, //控制编辑页面显示与隐藏
      title: "添加",
      listData: [],
      // 分页参数
      pageparm: {
        currentPage: 1,
        pageSize: 20,
        total: 10
      },
      formData: {
        title: "", //标题
        indexId: "", //栏目页id
        text: "", //富文本内容
        indexDetailId: "0",
        type: "0"
      },
      columnPageItem: {}
    };
  },
  // 注册组件
  components: {
    Pagination
  },
  /**
   * 数据发生改变
   */

  /**
   * 创建完毕
   */
  created() {
    this.selectSlideshow();
  },

  /**
   * 里面的方法只有被调用才会执行
   */
  methods: {
    mainImgUpload(file) {
      var self = this;
      //判断扩展名
      const tmpcnt = file.file.name.lastIndexOf(".");
      const exname = file.file.name.substring(tmpcnt + 1);
      const names = ["jpg", "jpeg", "webp", "png", "bmp"];
      // if (names.indexOf(exname) < 0) {
      //   this.$message.error("不支持的格式!");
      //   return;
      // }
      const fileName = file.file.uid + "." + exname;
      client
        .put(fileName, file.file)
        .then(res => {
          if (res.url) {
            console.log("res.url=======", res.url);
            self.getUrl(res.url);
          } else {
            this.$message.error("文件上传失败");
          }
        })
        .catch(err => {});
    },

    getUrl(url) {
      console.log("url=======", url);

      this.uploadVisible = false;
      // 获取富文本组件实例
      let quill = this.$refs.QuillEditor.quill;
      // 如果上传成功
      if (url) {
        // 插入图片，res为服务器返回的图片链接地址

        quill.insertEmbed(this.cursorIndex, "image", url);
        // 调整光标到最后
        quill.setSelection(this.cursorIndex + 1);
      } else {
        // 提示上传失败信息
      }
    },
    // 删除
    deleteSlideshow(index, row) {
      this.$confirm("确定要删除吗?", "信息", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      })
        .then(() => {
          deleteInformationByIds({ id: row.id })
            .then(res => {
              if (res.code == 200) {
                this.$message({
                  type: "success",
                  message: "已删除！"
                });
                this.selectSlideshow();
              } else {
                this.$message({
                  type: "info",
                  message: res.msg
                });
              }
            })
            .catch(err => {
              this.loading = false;
              this.$message.error("删除失败，请稍后再试！");
            });
        })
        .catch(() => {
          this.$message({
            type: "info",
            message: "已取消删除"
          });
        });
    },

    //修改轮播图
    upSlideshow() {
      this.loading = true;
      var formData = JSON.parse(JSON.stringify(this.formData));
      updateInformations(formData).then(res => {
        this.loading = false;
        if (res.code == 200) {
          this.editFormVisible = false;
          this.$message({
            type: "success",
            message: res.msg
          });
          this.selectSlideshow();
        } else {
          this.$message.error(res.msg);
        }
      });
    },

    //添加轮播图
    addSlideshow() {
      this.loading = true;
      var formData = JSON.parse(JSON.stringify(this.formData));
      let columnPageItem = JSON.parse(localStorage.getItem("columnPageItem"));
      this.formData.indexId = 0;
      console.log("this.formData", this.formData);
      addInformations(this.formData).then(res => {
        this.loading = false;
        if (res.code == 200) {
          this.editFormVisible = false;

          this.$message({
            type: "success",
            message: res.msg
          });
          this.selectSlideshow();
        } else {
          this.$message.error(res.msg);
        }
      });
    },
    // 获取轮播图
    selectSlideshow() {
      let columnPageItem = JSON.parse(localStorage.getItem("columnPageItem"));
      this.loading = true;
      selectInformationByIndexIdAndIndexDetailIdAndTypes({
        indexId: 0,
        indexDetailId: 0,
        type: 0
      }).then(res => {
        this.loading = false;
        if (res.code == 200) {
          this.listData = res.data.data;
          return;
        }
        this.$message({
          type: "info",
          message: res.msg
        });
      });
    },
    // 分页插件事件
    callFather(parm) {
      this.getDishesList(parm.currentPage);
    },
    //显示编辑界面
    //显示编辑界面
    handleEdit: function(index, row) {
      this.editFormVisible = true;
      if (row != undefined && row != "undefined") {
        this.title = "修改";
        this.formData.id = row.id;
        this.formData.title = row.title;
        this.formData.text = row.text;
      } else {
        this.title = "添加";
        this.formData.id = "";
        this.formData.title = "";
        this.formData.text = "";
      }
    },

    // 关闭编辑、增加弹出框
    closeDialog() {
      this.editFormVisible = false;
    }
  }
};
</script>

<style scoped>
.user-search {
  margin-top: 20px;
}

.userRole {
  width: 100%;
}

.upload-demo {
  display: flex;
  flex-direction: row;
}

.upload-demo img {
  width: 140px;
  height: 140px;
}
</style>
